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Finding the Fourth Proportional to 4,489.07, 6,736.43 and 1,892.00

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Solution

The fourth proportional to 4,489.07, 6,736.43 and 1,892.00 is: 2,839.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,489.07 : 6,736.43 = 1,892.00 : x
  2. Step 2: Convert to fraction form
    4,489.07/6,736.43 = 1,892.00/x
  3. Step 3: Cross multiply
    4,489.07x = 6,736.43 × 1,892.00
  4. Step 4: Simplify right side
    4,489.07x = 12,745,347.13
  5. Step 5: Solve for x
    x = 12,745,347.13/4,489.07
  6. Step 6: Final answer
    x = 2,839.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.